Putting requeue_task into the common fast path code in schedule() will benefit generically from inlining the requeue_task function. Signed-off-by: Con Kolivas Index: linux-2.6.12-rc4/kernel/sched.c =================================================================== --- linux-2.6.12-rc4.orig/kernel/sched.c 2005-05-20 20:28:29.000000000 +1000 +++ linux-2.6.12-rc4/kernel/sched.c 2005-05-20 20:28:55.000000000 +1000 @@ -560,7 +560,7 @@ static void enqueue_task(struct task_str * Put task to the end of the run list without the overhead of dequeue * followed by enqueue. */ -static void requeue_task(struct task_struct *p, prio_array_t *array) +static inline void requeue_task(struct task_struct *p, prio_array_t *array) { list_move_tail(&p->run_list, array->queue + p->prio); }